Решите уравнение (6х-1)^2-(3х-5)^2=0

Question

Решите уравнение (6х-1)^2-(3х-5)^2=0

Answer 1

36x^2 - 12x - 1 - 9x^2 - 30x - 25 = 0
27x^2 - 42x - 24 = 0
D = 1764 + 2592 = 4356 = 66
x1 = -42 + 66/54 = 24/54 = 4/9
x2 = -42 - 66/54 = - 108/54 = -9/9 = -1